Home / 708,383,417.22-977,882,621.09-457,610,110.47

Finding the Fourth Proportional to 708,383,417.22, 977,882,621.09 and 457,610,110.47

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Solution

The fourth proportional to 708,383,417.22, 977,882,621.09 and 457,610,110.47 is: 631,704,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,383,417.22 : 977,882,621.09 = 457,610,110.47 : x
  2. Step 2: Convert to fraction form
    708,383,417.22/977,882,621.09 = 457,610,110.47/x
  3. Step 3: Cross multiply
    708,383,417.22x = 977,882,621.09 × 457,610,110.47
  4. Step 4: Simplify right side
    708,383,417.22x = 447,488,974,261,400,064
  5. Step 5: Solve for x
    x = 447,488,974,261,400,064/708,383,417.22
  6. Step 6: Final answer
    x = 631,704,474.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.